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PE99151 - Monolithic Point-of-Load Synchronous Buck Regulator

Description

The PE99151 is a radiation tolerant point-of-load buck regulator delivering high efficiency at VIN = 5V and output currents up to 2A continuous.

This single-chip solution is perfect for Hi-Rel applications and delivers peak efficiency exceeding 93%.

Features

  •  Up to 2A continuous.
  •  Output voltage range from 1.0.
  • 3.6V by external select resistors.
  •  Input voltage range 4.6V.
  • 6.0V.
  •  Current mode control, pulse-by-pulse current limit, current sharing enabled and (N+K) redundancy compatible shutdown mode.
  •  SYNC function, 100 kHz.
  • 5 MHz lock range with selectable 500 kHz /1 MHz free running frequency.
  •  Shutdown pin, Power Good output pin for supply sequencing.
  •  Better than 1% typical initial accura.

📥 Download Datasheet

Datasheet preview – PE99151

Datasheet Details

Part number PE99151
Manufacturer Peregrine Semiconductor
File Size 620.32 KB
Description Monolithic Point-of-Load Synchronous Buck Regulator
Datasheet download datasheet PE99151 Datasheet
Additional preview pages of the PE99151 datasheet.

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Full PDF Text Transcription

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Product Description The PE99151 is a radiation tolerant point-of-load buck regulator delivering high efficiency at VIN = 5V and output currents up to 2A continuous. This single-chip solution is perfect for Hi-Rel applications and delivers peak efficiency exceeding 93%. A minimal external component count and high switching frequency enables >10 W/in2 standard PCB designs while high efficiency minimizes thermal concerns. All power switching devices are integrated on-chip. Fabricated in Peregrine’s patented UltraCMOS® technology, the PE99151 offers excellent power efficiency and intrinsic radiation tolerance. Table 1.
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